28129 Parallax Inc, 28129 Datasheet - Page 26
28129
Manufacturer Part Number
28129
Description
TEXT BASIC ANALOG & DIGITAL
Manufacturer
Parallax Inc
Type
Programmingr
Datasheet
1.28129.pdf
(176 pages)
Specifications of 28129
Style
Book
Title
Basic Analog and Digital
Contents
Basic Analog and Digital Text
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Not applicable / Not applicable
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Questions
Challenge!
1. Circle the word that makes the sentence true: The input for a voltage follower is
2. How do you tell the difference between the cathode and the anode on an LED
3. If the threshold for a comparator is 2.5 volts, and the input is at 1.5 volts, what's
4. Explain what the command
5. What command would you use to set pin P8 to function as an input?
1. Add another LED to the circuit to the Board of Education and use pin P11 to
2. Modify the code from Program State_of_P7.bs2 so that the LED output flashes
3. Modify Program State_of_P7.bs2 to cause one LED to light up when the input
at the ( inverting / non-inverting ) terminal of the op-amp in this experiment.
from your parts kit?
the output going to be?
more than one item using a single
drive it in an inverted state. In other words, when one LED is on, the other off.
Hint: Add 1 to the output value at P11 to invert it.
on and off when the potentiometer output is above the threshold voltage of the
BASIC Stamp input pin. Hint: You can use the command pause 500 to make the
program pause for half a second.
voltage at pin P7 is above the threshold voltage and the other LED to light up
when the voltage at pin P7 is below threshold voltage.
DEBUG HOME
DEBUG
command?
does. What has to be done to display
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